Inventor
CHANG JAMES ZHIXIN
US13 patents
⚠️ This page may combine multiple inventors who share the name “CHANG JAMES ZHIXIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP LAB OF AMERICA INC
8 patentsUS7190487B2Mar 13, 2007
Color conversion with hue straightening using multiple look-up tables and interpolation
SHARP LAB OF AMERICA INC38 citations90
US6995866B2Feb 7, 2006
Method and apparatus for background adjustment in color reproduction devices
SHARP LAB OF AMERICA INC24 citations90
US6987880B2Jan 17, 2006
Efficient document boundary determination
SHARP LAB OF AMERICA INC11 citations84
US7545541B2Jun 9, 2009
Systems and methods for embedding metadata in a color measurement target
SHARP LAB OF AMERICA INC7 citations72
US7889402B2Feb 15, 2011
Method for limiting total colorant coverage using multidimensional simplicial subdivision and barycentric interpolation
SHARP LAB OF AMERICA INC5 citations62
US7847974B2Dec 7, 2010
Systems and methods for dynamically limiting total colorant coverage in a color rendering system
SHARP LAB OF AMERICA INC4 citations61
US7256912B2Aug 14, 2007
Adaptive generation of perceptually uniform samples for printer characterization
SHARP LAB OF AMERICA INC5 citations61
US8358441B2Jan 22, 2013
Methods and systems for sampling and modeling of colorant-limited, multi-colorant color spaces
SHARP LAB OF AMERICA INC4 citations58